Home / 10,504.25-15,759.08-3,930.52

Finding the Fourth Proportional to 10,504.25, 15,759.08 and 3,930.52

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Solution

The fourth proportional to 10,504.25, 15,759.08 and 3,930.52 is: 5,896.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,504.25 : 15,759.08 = 3,930.52 : x
  2. Step 2: Convert to fraction form
    10,504.25/15,759.08 = 3,930.52/x
  3. Step 3: Cross multiply
    10,504.25x = 15,759.08 × 3,930.52
  4. Step 4: Simplify right side
    10,504.25x = 61,941,280.67
  5. Step 5: Solve for x
    x = 61,941,280.67/10,504.25
  6. Step 6: Final answer
    x = 5,896.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.